engine coolant CHEVROLET SILVERADO 2015 3.G Owners Manual

Black plate (4,1)Chevrolet 2015i Silverado Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-8425172) - 2015 - crc - 2/9/15
iv Introduction
Danger, Warning, and
Caution
Warning messages found on vehicle
labels and in this manual describe
hazards and what to do to avoid or
reduce them.
{Danger
Danger indicates a hazard with a
high level of risk which will result
in serious injury or death.
{Warning
Warning indicates a hazard that
could result in injury or death.
{Caution
Caution indicates a hazard that
could result in property or vehicle
damage.
A circle with a slash through it is a
safety symbol which means“Do
Not,” “Do not do this,” or“Do not let
this happen.”
Symbols
The vehicle has components and
labels that use symbols instead of
text. Symbols are shown along with
the text describing the operation or
information relating to a specific
component, control, message,
gauge, or indicator.
M: This symbol is shown when
you need to see your owner manual
for additional instructions or
information.
*: This symbol is shown when
you need to see a service manual
for additional instructions or
information. Vehicle Symbol Chart
Here are some additional symbols
that may be found on the vehicle
and what they mean. For more
information on the symbol, refer to
the Index.
0:
Adjustable Pedals
9:Airbag Readiness Light
!:Antilock Brake System (ABS)
g:Audio Steering Wheel Controls
or OnStar®(if equipped)
$: Brake System Warning Light
":Charging System
I:Cruise Control
`: Do Not Puncture
^:Do Not Service
B:Engine Coolant Temperature
O:Exterior Lamps
_:Flame/Fire Prohibited
#:Fog Lamps
.: Fuel Gauge
+:Fuses

Black plate (7,1)Chevrolet 2015i Silverado Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-8425172) - 2015 - crc - 2/6/15
Keys, Doors, and Windows 2-7
Remote Vehicle Start
If equipped with the remote start
feature, the climate control system
will come on when the vehicle is
started remotely, depending on the
outside temperature.
The rear defog and heated and
cooled seats, if equipped, may also
come on. SeeHeated and Cooled
Front Seats on page 3-8 and
Vehicle Personalization on
page 5-45.
Laws in some communities may
restrict the use of remote starters.
Check local regulations for any
requirements on remote starting of
vehicles.
Do not use remote start if the
vehicle is low on fuel.
The vehicle cannot be remote
started if:
.The key is in the ignition.
.The hood is not closed.
.There is an emission control
system malfunction and the
malfunction indicator lamp is on.
The engine will turn off during a
remote vehicle start if:
.The coolant temperature gets
too high.
.The oil pressure gets low.
The RKE transmitter range may be
reduced while the vehicle is running.
Other conditions can affect the
performance of the transmitter. See
Remote Keyless Entry (RKE)
System on page 2-4 orVehicle
Personalization on page 5-45.
Starting the Engine Using Remote
Start
1. Press and release
Q. 2. Immediately press and hold
/
until the turn signal lamps flash
or for at least four seconds.
When the vehicle starts, the
parking lamps will turn on. The
doors will be locked and the
climate control system may
come on.
The engine will continue to run
for 10 minutes. After
30 seconds, repeat Steps 1 and
2 for a 10-minute time extension.
Place the ignition in ON/RUN/
START to operate the vehicle.
Extending Engine Run Time
The engine run time can be
extended by 10 minutes, for a total
of 20 minutes, if during the first
10 minutes Steps 1 and 2 are
repeated while the engine is still
running. An extension can be
requested 30 seconds after starting.
A maximum of two remote starts,
or a single start with an extension,
is allowed between ignition cycles.

Black plate (1,1)Chevrolet 2015i Silverado Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-8425172) - 2015 - crc - 2/6/15
Instruments and Controls 5-1
Instruments and
Controls
Controls
Steering Wheel Adjustment . . . 5-2
Steering Wheel Controls . . . . . . 5-3
Heated Steering Wheel . . . . . . . 5-4
Horn . . . . . . . . . . . . . . . . . . . . . . . . . . 5-4
Windshield Wiper/Washer . . . . . 5-4
Compass . . . . . . . . . . . . . . . . . . . . . 5-5
Clock . . . . . . . . . . . . . . . . . . . . . . . . . 5-5
Power Outlets . . . . . . . . . . . . . . . . . 5-6
Warning Lights, Gauges, and
Indicators
Warning Lights, Gauges, andIndicators . . . . . . . . . . . . . . . . . . . . 5-8
Instrument Cluster . . . . . . . . . . . 5-10
Speedometer . . . . . . . . . . . . . . . . 5-13
Odometer . . . . . . . . . . . . . . . . . . . . 5-13
Trip Odometer . . . . . . . . . . . . . . . 5-13
Tachometer . . . . . . . . . . . . . . . . . . 5-13
Fuel Gauge . . . . . . . . . . . . . . . . . . 5-13
Engine Oil Pressure Gauge . . . . . . . . . . . . . . . . . . . . . . 5-14
Engine Coolant Temperature Gauge . . . . . . . . . . . . . . . . . . . . . . 5-15 Voltmeter Gauge . . . . . . . . . . . . . 5-16
Safety Belt Reminders . . . . . . . 5-17
Airbag Readiness Light . . . . . . 5-17
Airbag On-Off Light . . . . . . . . . . 5-18
Passenger Airbag Status
Indicator . . . . . . . . . . . . . . . . . . . . 5-20
Charging System Light . . . . . . 5-21
Malfunction Indicator Lamp . . . . . . . . . . . . . 5-21
Brake System Warning Light . . . . . . . . . . . . . . . . . . . . . . . 5-24
Antilock Brake System (ABS) Warning Light . . . . . . . . . . . . . . 5-24
Four-Wheel-Drive Light . . . . . . 5-25
Tow/Haul Mode Light . . . . . . . . 5-25
Hill Descent Control Light . . . . 5-25
Lane Departure Warning (LDW) Light . . . . . . . . . . . . . . . . 5-25
Vehicle Ahead Indicator . . . . . . 5-26
Traction Off Light . . . . . . . . . . . . 5-26
StabiliTrak
®OFF Light . . . . . . . 5-26
Traction Control System (TCS)/StabiliTrak
®Light . . . . 5-27
Tire Pressure Light . . . . . . . . . . 5-27
Low Fuel Warning Light . . . . . . 5-27
Security Light . . . . . . . . . . . . . . . . 5-28
High-Beam On Light . . . . . . . . . 5-28 Front Fog Lamp Light . . . . . . . . 5-28
Lamps On Reminder . . . . . . . . . 5-28
Cruise Control Light . . . . . . . . . 5-29
Information Displays
Driver Information Center
(DIC) (Base Level) . . . . . . . . . 5-29
Driver Information Center (DIC) (Uplevel) . . . . . . . . . . . . . 5-31
Vehicle Messages
Vehicle Messages . . . . . . . . . . . 5-34
Battery Voltage and ChargingMessages . . . . . . . . . . . . . . . . . . 5-34
Brake System Messages . . . . 5-35
Compass Messages . . . . . . . . . 5-35
Door Ajar Messages . . . . . . . . . 5-36
Engine Cooling System Messages . . . . . . . . . . . . . . . . . . 5-36
Engine Oil Messages . . . . . . . . 5-36
Engine Power Messages . . . . 5-37
Fuel System Messages . . . . . . 5-37
Key and Lock Messages . . . . . 5-38
Lamp Messages . . . . . . . . . . . . . 5-38
Object Detection System Messages . . . . . . . . . . . . . . . . . . 5-38
Ride Control System Messages . . . . . . . . . . . . . . . . . . 5-39
Airbag System Messages . . . . 5-40

Black plate (15,1)Chevrolet 2015i Silverado Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-8425172) - 2015 - crc - 2/6/15
Instruments and Controls 5-15
English
The engine oil pressure gauge
shows the engine oil pressure
in kPa (kilopascals) or psi (pounds
per square inch) when the engine is
running.
Oil pressure can vary with engine
speed, outside temperature and oil
viscosity.
A reading outside the normal
operating range can be caused by a
dangerously low oil level or some
other problem causing low oil
pressure. Check the vehicle's oil as
soon as possible. See “OILPRESSURE LOW STOP ENGINE”
under
Engine Oil Messages on
page 5-36 andEngine Oil on
page 10-11.
{Caution
Lack of proper engine oil
maintenance can damage the
engine. Driving with the engine oil
low can also damage the engine.
The repairs would not be covered
by the vehicle warranty. Check
the oil level as soon as possible.
Add oil if required, but if the oil
level is within the operating range
and the oil pressure is still low,
have the vehicle serviced. Always
follow the maintenance schedule
for changing engine oil.
If the vehicle has a diesel engine,
see the Duramax diesel
supplement.
Engine Coolant
Temperature Gauge
Metric

Black plate (16,1)Chevrolet 2015i Silverado Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-8425172) - 2015 - crc - 2/6/15
5-16 Instruments and Controls
English
This gauge measures the
temperature of the vehicle's engine
coolant.
While driving under normal
operating conditions, if the needle
moves into the red warning area,
the engine is too hot. Pull off the
road, stop the vehicle, and turn off
the engine as soon as possible.
Voltmeter Gauge
When the ignition is on, this gauge
indicates the battery voltage.
When the engine is running, this
gauge shows the condition of the
charging system. The gauge can
transition from a higher to lower or a
lower to higher reading. This is
normal. If the vehicle is operating
outside the normal operating range,
the charging system light comes on.
See Charging System Light on
page 5-21 for more information. The voltmeter gauge may also read
lower when in fuel economy mode.
This is normal.
Readings outside the normal
operating range can also occur
when a large number of electrical
accessories are operating in the
vehicle and the engine is left idling
for an extended period. This
condition is normal since the
charging system is not able to
provide full power at engine idle. As
engine speeds are increased, this
condition should correct itself as
higher engine speeds allow the
charging system to create maximum
power.
The vehicle can only be driven for a
short time with the readings outside
the normal operating range. If the
vehicle must be driven, turn off all
accessories, such as the radio and
air conditioner.

Black plate (36,1)Chevrolet 2015i Silverado Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-8425172) - 2015 - crc - 2/6/15
5-36 Instruments and Controls
Door Ajar Messages
DOOR OPEN
This message displays and a chime
may sound if a door is not fully
closed. Stop and turn off the
vehicle, check the door for
obstructions, and close the door
again. Check to see if the message
still appears on the DIC.
HOOD OPEN
This message displays and a chime
may sound if the hood is not fully
closed. Stop and turn off the
vehicle, check the hood for
obstructions, and close the hood
again. Check to see if the message
still appears on the DIC.
Engine Cooling System
Messages
A/C OFF DUE TO HIGH
ENGINE TEMP
This message displays when the
engine coolant becomes hotter than
the normal operating temperature.
SeeEngine Coolant Temperature
Gauge on page 5-15. To avoid
added strain on a hot engine, the air
conditioning compressor
automatically turns off. When the
coolant temperature returns to
normal, the air conditioning
compressor turns back on. You can
continue to drive your vehicle.
If this message continues to appear,
have the system repaired by your
dealer as soon as possible to avoid
damage to the engine.
ENGINE OVERHEATING IDLE
ENGINE
This message displays when the
engine coolant temperature is too
hot. Stop and allow the vehicle to idle until it cools down. See
Engine
Coolant Temperature Gauge on
page 5-15.
When towing, use Tow/Haul mode
to prevent damage to the engine or
transmission. See Tow/Haul Mode
on page 9-40.
ENGINE OVERHEATED STOP
ENGINE
This message displays and a chime
may sound if the engine cooling
system reaches unsafe
temperatures for operation. Stop
and turn off the vehicle as soon as it
is safe to do so to avoid severe
damage. This message clears when
the engine has cooled to a safe
operating temperature.
Engine Oil Messages
CHANGE ENGINE OIL SOON
This message displays when the
engine oil needs to be changed.
When you change the engine oil, be
sure to reset the CHANGE ENGINE
OIL SOON message. See Engine

Black plate (37,1)Chevrolet 2015i Silverado Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-8425172) - 2015 - crc - 2/6/15
Instruments and Controls 5-37
Oil Life System on page 10-14for
information on how to reset the
message. See Engine Oil on
page 10-11 andMaintenance
Schedule on page 11-3.
ENGINE OIL LOW ADD OIL
On some vehicles, this message
displays when the engine oil level
may be too low. Check the oil level
before filling to the recommended
level. If the oil is not low and this
message remains on, take the
vehicle to your dealer for service.
See Engine Oil on page 10-11.
ENGINE OIL HOT IDLE
ENGINE
This message displays when the
engine oil becomes hotter than the
normal operating temperature. Stop
and allow the vehicle to idle until it
cools down. See Engine Coolant
Temperature Gauge on page 5-15.
OIL PRESSURE LOW STOP
ENGINE
This message displays if low oil
pressure levels occur. Stop the
vehicle as soon as safely possible
and do not operate it until the cause
of the low oil pressure has been
corrected. Check the oil as soon as
possible and have the vehicle
serviced by your dealer. See Engine
Oil on page 10-11.
Engine Power Messages
ENGINE POWER IS REDUCED
This message displays and a chime
may sound when the cooling system
temperature gets too hot and the
engine further enters the engine
coolant protection mode. See
Engine Overheating on page 10-25
for more information.
This message also displays when
the vehicle's engine power is
reduced. Reduced engine power
can affect the vehicle's ability to
accelerate. If this message is on, but there is no reduction in
performance, proceed to your
destination. The performance may
be reduced the next time the vehicle
is driven. The vehicle may be driven
at a reduced speed while this
message is on, but acceleration and
speed may be reduced. Anytime
this message stays on, the vehicle
should be taken to your dealer for
service as soon as possible.
Fuel System Messages
FUEL LEVEL LOW
This message displays and a chime
may sound if the fuel level is low.
Refuel as soon as possible. See
Fuel Gauge on page 5-13
andFuel
on page 9-67.
TIGHTEN GAS CAP
This message may display along
with the malfunction indicator lamp
on the instrument cluster if the
vehicle's fuel cap is not tightened
properly. See Malfunction Indicator
Lamp on page 5-21. Reinstall the

Black plate (1,1)Chevrolet 2015i Silverado Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-8425172) - 2015 - crc - 2/9/15
Driving and Operating 9-1
Driving and
Operating
Driving Information
Distracted Driving . . . . . . . . . . . . . 9-2
Defensive Driving . . . . . . . . . . . . . 9-3
Drunk Driving . . . . . . . . . . . . . . . . . 9-3
Control of a Vehicle . . . . . . . . . . . 9-3
Braking . . . . . . . . . . . . . . . . . . . . . . . 9-3
Steering . . . . . . . . . . . . . . . . . . . . . . . 9-4
Off-Road Recovery . . . . . . . . . . . . 9-5
Loss of Control . . . . . . . . . . . . . . . . 9-5
Off-Road Driving . . . . . . . . . . . . . . 9-6
Driving on Wet Roads . . . . . . . . 9-11
Hill and Mountain Roads . . . . . 9-12
Winter Driving . . . . . . . . . . . . . . . 9-12
If the Vehicle Is Stuck . . . . . . . . 9-14
Vehicle Load Limits . . . . . . . . . . 9-15
Truck-Camper LoadingInformation . . . . . . . . . . . . . . . . . 9-21
Starting and Operating
New Vehicle Break-In . . . . . . . . 9-23
Adjustable Throttle and BrakePedal . . . . . . . . . . . . . . . . . . . . . . . 9-23
Ignition Positions . . . . . . . . . . . . 9-24
Starting the Engine . . . . . . . . . . 9-26 Fast Idle System . . . . . . . . . . . . . 9-27
Retained Accessory
Power (RAP) . . . . . . . . . . . . . . . 9-28
Engine Coolant Heater . . . . . . . 9-29
Shifting Into Park . . . . . . . . . . . . 9-30
Shifting out of Park . . . . . . . . . . 9-31
Parking (Manual Transmission) . . . . . . . . . . . . . . 9-32
Parking over Things That Burn . . . . . . . . . . . . . . . . . . 9-32
Active Fuel Management
®. . . 9-33
Engine Exhaust
Engine Exhaust . . . . . . . . . . . . . . 9-33
Running the Vehicle While Parked . . . . . . . . . . . . . . . . . . . . . 9-34
Automatic Transmission
Automatic Transmission . . . . . 9-34
Manual Mode . . . . . . . . . . . . . . . . 9-37
Tow/Haul Mode . . . . . . . . . . . . . . 9-40
Manual Transmission
Manual Transmission . . . . . . . . 9-41
Drive Systems
Four-Wheel Drive . . . . . . . . . . . . 9-42
Brakes
Antilock BrakeSystem (ABS) . . . . . . . . . . . . . . 9-50
Parking Brake . . . . . . . . . . . . . . . 9-51
Brake Assist . . . . . . . . . . . . . . . . . 9-53
Hill Start Assist (HSA) . . . . . . . 9-53
Ride Control Systems
Traction Control/Electronic Stability Control . . . . . . . . . . . . 9-54
Hill Descent Control (HDC) . . . . . . . . . . . . . . 9-56
Locking Rear Axle . . . . . . . . . . . 9-56
Cruise Control
Cruise Control . . . . . . . . . . . . . . . 9-57
Driver Assistance Systems
Driver Assistance Systems . . . . . . . . . . . . . . . . . . . . 9-60
Assistance Systems for Parking or Backing . . . . . . . . . 9-60
Assistance Systems for Driving . . . . . . . . . . . . . . . . . . . . . 9-63
Forward Collision Alert (FCA) System . . . . . . . . . . . . . . . . . . . . . 9-63
Lane Departure Warning (LDW) . . . . . . . . . . . . . 9-66

Black plate (29,1)Chevrolet 2015i Silverado Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-8425172) - 2015 - crc - 2/9/15
Driving and Operating 9-29
Engine Coolant Heater
The engine heater can provide
easier starting and better fuel
economy during engine warm-up in
cold weather conditions at or below
−18° C (0° F). Vehicles with an
engine heater should be plugged in
at least four hours before starting.
An internal thermostat in the
plug-end of the cord may exist,
which will prevent engine coolant
heater operation at temperatures
above−18° C (0° F).
If the vehicle has a diesel engine,
see the Duramax diesel
supplement.
To Use the Engine Coolant
Heater
1. Turn off the engine. 2. Open the hood and unwrap the
electrical cord. The cord is
secured to the driver side fender
with a clip, next to the engine
compartment fuse block.
Carefully remove the wire tie
that bundles the electrical plug.
Do not cut the electrical cord.
Check the heater cord for
damage. If it is damaged, do not
use it. See your dealer for a
replacement. Inspect the cord for
damage yearly.
3. Plug the cord into a normal, grounded 110-volt AC outlet.
{Warning
Improper use of the heater cord
or an extension cord can damage
the cord and may result in
overheating and fire.
.Plug the cord into a
three-prong electrical utility
receptacle that is protected
(Continued)
Warning (Continued)
by a ground fault detection
function. An ungrounded
outlet could cause an electric
shock.
.Use a weatherproof,
heavy-duty, 15 amp-rated
extension cord if needed.
Failure to use the
recommended extension cord
in good operating condition,
or using a damaged heater or
extension cord, could make it
overheat and cause a fire,
property damage, electric
shock, and injury.
.Do not operate the vehicle
with the heater cord
permanently attached to the(Continued)

Black plate (74,1)Chevrolet 2015i Silverado Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-8425172) - 2015 - crc - 2/9/15
9-74 Driving and Operating
Before starting, check all trailer hitch
parts and attachments, safety
chains, electrical connectors, lamps,
tires, and mirrors. If the trailer has
electric brakes, start the
combination moving and then apply
the trailer brake controller by hand
to be sure the brakes work.
During the trip, check occasionally
to be sure that the load is secure
and the lamps and any trailer
brakes still work.
Following Distance
Stay at least twice as far behind the
vehicle ahead as you would when
driving the vehicle without a trailer.
This can help to avoid heavy
braking and sudden turns.
Passing
More passing distance is needed
when towing a trailer. The
combination will not accelerate as
quickly and is longer so it is
necessary to go much farther
beyond the passed vehicle before
returning to the lane.
Backing Up
Hold the bottom of the steering
wheel with one hand. To move the
trailer to the left, move that hand to
the left. To move the trailer to the
right, move your hand to the right.
Always back up slowly and,
if possible, have someone
guide you.
Making Turns
{Caution
Making very sharp turns while
trailering could cause the trailer to
come in contact with the vehicle.
The vehicle could be damaged.
Avoid making very sharp turns
while trailering.
When turning with a trailer, make
wider turns than normal. Do this so
the trailer will not strike soft
shoulders, curbs, road signs, trees,
or other objects. Avoid jerky or
sudden maneuvers. Signal well in
advance. If the trailer turn signal bulbs burn
out, the arrows on the instrument
cluster will still flash for turns. It is
important to check occasionally to
be sure the trailer bulbs are still
working.
Driving on Grades
Reduce speed and shift to a lower
gear
before starting down a long or
steep downgrade. If the
transmission is not shifted down, the
brakes might get hot and no longer
work well.
Vehicles can tow in D (Drive). Shift
the transmission to a lower gear if
the transmission shifts too often
under heavy loads and/or hilly
conditions.
The Tow/Haul Mode may be used if
the transmission shifts too often.
See Tow/Haul Mode on page 9-40.
When towing at high altitude on
steep uphill grades, consider the
following: Engine coolant will boil at
a lower temperature than at normal
altitudes. If the engine is turned off